Plotting Tests

$y = x^2$

$y = \tan{x}$

$y = \sin{x}$

$r = 2 \cdot \sin{4 \theta}$

$\begin{cases} x= t - 1.6\cos{24t} \\ y=t - 1.6\sin{25t} \end{cases}$

$y = |x|$

$y = \sqrt{x}$

$y = \pi$

$r = \theta$